WP PCBs in Transformer Oil CALA Back Catalog number: 38239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673291 Fenthion, 100 µg/ml, Acetonitrile, 5ml Price on request 2137.21-K-IO Tritolylphosphate (isomer mixture), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1330-78-5 Price on request 679556 D5-Nalidixic acid, 10mg Price on request